Results for "**Dwarf Planets**"
Objects Encyclopedia Entry 1777005916
** The **Kuiper Belt** is a region of our solar system, extending from the orbit of Neptune to a distance of approximately 55 astronomical units (AU) from the Sun, containing a vast population of small, icy bodies and other celestial objects. ## Overview The **Kuiper Belt** is a vast, doughnut-shaped region of our solar system, located beyond the orbit of Neptune, the eighth planet from the Sun. This region is a reservoir of small, icy bodies, including dwarf planets, asteroids, comets, and other celestial objects. The **Kuiper Belt** is thought to be a remnant of the material that formed the solar system about 4.6 billion years ago. It is named after Dutch-American astronomer Gerard Kuiper, who first proposed its existence in the 1950s. The **Kuiper Belt** is estimated to contain between 100,000 and 200,000 objects larger than 100 kilometers in diameter, with many more smaller bodies. These objects are thought to be the remains of a massive disk of material that surrounded the Sun after the formation of the solar system. Over time, this disk was perturbed by the gravitational influence of the planets, causing the objects to be ejected into the **Kuiper Belt**. The **Kuiper Belt** is a dynamic region, with objects constantly being perturbed and ejected by the gravitational influence of the planets and other objects. ## History/Background The concept of the **Kuiper Belt** was first proposed by Gerard Kuiper in the 1950s, based on his observations of the distribution of comets in the solar system. Kuiper suggested that the comets were not originating from the Oort Cloud, a distant, spherical shell of icy bodies surrounding the solar system, but rather from a region closer to the Sun. In the 1980s, the discovery of the dwarf planet Pluto and its large moon Charon led to a reevaluation of the **Kuiper Belt** hypothesis. The discovery of other dwarf planets, such as Eris and Makemake, further supported the existence of the **Kuiper Belt**. ## Key Information * The **Kuiper Belt** is estimated to be 20 astronomical units (AU) wide and 1,000 AU long. * The region is thought to contain between 100,000 and 200,000 objects larger than 100 kilometers in diameter. * The **Kuiper Belt** is home to several dwarf planets, including Pluto, Eris, and Makemake. * The region is also thought to be the source of short-period comets, which originate from the **Kuiper Belt** and are perturbed into orbits that bring them close to the Sun. * The **Kuiper Belt** is a dynamic region, with objects constantly being perturbed and ejected by the gravitational influence of the planets and other objects. ## Significance The **Kuiper Belt** is significant because it provides a window into the early formation and evolution of our solar system. The region is thought to be a remnant of the material that formed the solar system about 4.6 billion years ago. The study of the **Kuiper Belt** has led to a greater understanding of the formation and evolution of our solar system, and has provided insights into the origins of comets and other small bodies. INFOBOX: - **Name:** Kuiper Belt - **Type:** Region of the solar system - **Date:** Proposed by Gerard Kuiper in the 1950s - **Location:** Beyond the orbit of Neptune - **Known For:** Reservoir of small, icy bodies and other celestial objects TAGS: **Kuiper Belt**, **Dwarf Planets**, **Comets**, **Astronomy**, **Solar System**, **Formation and Evolution**, **Celestial Objects**, **Space Exploration**, **Kuiper**, **Pluto**, **Eris**, **Makemake**
Space & AstronomyObjects Encyclopedia Entry 1777285325
** The **Kuiper Belt Object (KBO)** 20000 Varuna is a large, icy body in the outer reaches of the **Solar System**, discovered in 2000 and providing valuable insights into the formation and evolution of the **Solar System**. ## Overview The **Kuiper Belt** is a region of the **Solar System** that contains a large number of small, icy bodies, including dwarf planets, asteroids, and comets. These objects are remnants from the formation of the **Solar System**, and their study provides a unique window into the early history of the **Solar System**. One of the most notable objects in the **Kuiper Belt** is 20000 Varuna, a large, icy body discovered in 2000. 20000 Varuna is a **Kuiper Belt Object (KBO)**, a type of object that orbits the **Sun** at a distance of between 30 and 55 **astronomical units (AU)**. It is a large object, with a diameter of approximately 350 kilometers (220 miles), making it one of the largest **KBOs** discovered to date. The object's surface is thought to be composed primarily of water ice, with possible darker organic material present. ## History/Background 20000 Varuna was discovered on October 28, 2000, by a team of astronomers led by Chad Trujillo and Mike Brown at the **Palomar Observatory** in California, USA. The object was initially designated as (2000 VB61), but was later renamed 20000 Varuna in 2001. The name Varuna is derived from the Hindu god of the sky and the ocean, reflecting the object's association with the **Kuiper Belt**, a region of icy bodies and small celestial objects. ## Key Information 20000 Varuna is a significant object in the study of the **Solar System** due to its large size and unique composition. Its surface is thought to be composed primarily of water ice, with possible darker organic material present. The object's orbit is highly eccentric, taking it from a distance of 43 **astronomical units (AU)** from the **Sun** at its farthest point to a distance of 37 **astronomical units (AU)** at its closest point. 20000 Varuna is also notable for its potential to provide insights into the formation and evolution of the **Solar System**. The object's surface composition and orbital characteristics suggest that it may have formed in the outer reaches of the **Solar System**, where temperatures were too low for rocky material to condense. This makes 20000 Varuna an important object for studying the early history of the **Solar System**. ## Significance The discovery of 20000 Varuna has significant implications for our understanding of the **Solar System**. The object's large size and unique composition provide valuable insights into the formation and evolution of the **Solar System**, and its study has the potential to shed light on the early history of the **Solar System**. Additionally, the discovery of 20000 Varuna highlights the importance of continued exploration and study of the **Kuiper Belt**, a region of the **Solar System** that remains poorly understood. INFOBOX: - **Name:** 20000 Varuna - **Type:** **Kuiper Belt Object (KBO)** - **Date:** October 28, 2000 - **Location:** **Kuiper Belt** - **Known For:** Large size and unique composition, providing insights into the formation and evolution of the **Solar System** TAGS: **Kuiper Belt Object (KBO)**, **Solar System**, **Astronomy**, **Space Exploration**, **Planetary Science**, **Astrophysics**, **Comets**, **Asteroids**, **Dwarf Planets**
Space & AstronomyObjects Encyclopedia Entry 1779844506
** The **Kuiper Belt** is a region of the **Solar System** containing a vast array of small, icy bodies, including dwarf planets, asteroids, and comets, beyond the **Orbit** of **Neptune**. ## Overview The **Kuiper Belt** is a vast, disk-shaped region of the **Solar System** that contains a multitude of small, icy bodies, including dwarf planets, asteroids, and comets. This region is situated beyond the **Orbit** of **Neptune**, the eighth and farthest planet from the **Sun**, and is thought to be a reservoir of small, icy bodies that were left over from the formation of the **Solar System**. The **Kuiper Belt** is named after Dutch-American astronomer Gerard Kuiper, who first proposed its existence in the 1950s. The **Kuiper Belt** is estimated to contain between 100,000 and 200,000 objects larger than 100 kilometers in diameter, with many more smaller objects. These objects are thought to be remnants from the formation of the **Solar System**, which were not incorporated into the planets or the **Asteroid Belt**. The **Kuiper Belt** is also thought to be a source of short-period comets, which are comets that have orbital periods less than 200 years. ## History/Background The concept of the **Kuiper Belt** was first proposed by Gerard Kuiper in the 1950s, who suggested that a region of icy bodies existed beyond the **Orbit** of **Neptune**. However, it wasn't until the 1990s that the **Kuiper Belt** was confirmed to exist, with the discovery of several dwarf planets, including **Pluto** and **Eris**. The **Kuiper Belt** has since been extensively studied using a variety of telescopes and spacecraft, including the **Hubble Space Telescope** and the **New Horizons** spacecraft. ## Key Information The **Kuiper Belt** is a vast, disk-shaped region of the **Solar System**, extending from about 30 to 55 astronomical units (AU) from the **Sun**. An astronomical unit is the average distance between the **Earth** and the **Sun**, which is about 149.6 million kilometers. The **Kuiper Belt** is thought to be a reservoir of small, icy bodies, including dwarf planets, asteroids, and comets. Some of the most notable objects in the **Kuiper Belt** include: * **Pluto**: A dwarf planet with a highly eccentric orbit, which takes about 248 Earth years to complete. * **Eris**: A dwarf planet with a highly eccentric orbit, which takes about 557 Earth years to complete. * **Haumea**: A dwarf planet with a highly eccentric orbit, which takes about 284 Earth years to complete. * **Makemake**: A dwarf planet with a highly inclined orbit, which takes about 310 Earth years to complete. ## Significance The **Kuiper Belt** is significant because it provides a unique window into the formation and evolution of the **Solar System**. The objects in the **Kuiper Belt** are thought to be remnants from the formation of the **Solar System**, which were not incorporated into the planets or the **Asteroid Belt**. The study of the **Kuiper Belt** has also led to a greater understanding of the formation and evolution of dwarf planets, which are thought to be a common feature of the **Solar System**. INFOBOX: - **Name:** Kuiper Belt - **Type:** Region of the Solar System - **Date:** 1950s (proposed by Gerard Kuiper) - **Location:** Beyond the Orbit of Neptune - **Known For:** Reservoir of small, icy bodies, including dwarf planets, asteroids, and comets TAGS: **Solar System**, **Kuiper Belt**, **Dwarf Planets**, **Asteroids**, **Comets**, **Orbit**, **Neptune**, **Pluto**, **Eris**, **Haumea**, **Makemake**
Space & AstronomyObjects Encyclopedia Entry 1777475884
** The **Kuiper Belt Object (KBO) 2007 OR10** is a small, icy celestial body located in the outer reaches of the **Solar System**, providing valuable insights into the formation and evolution of the **Kuiper Belt**. ## Overview The **Kuiper Belt** is a region of the **Solar System** that contains a large number of small, icy bodies, including dwarf planets, asteroids, and comets. **Kuiper Belt Objects (KBOs)** are some of the most primitive and enigmatic objects in our **Solar System**, offering a glimpse into the early days of planetary formation. **2007 OR10**, discovered in 2007, is one of the largest and most massive KBOs known to date. This object is of great interest to astronomers and planetary scientists due to its unique composition and orbital characteristics. Located approximately 68 astronomical units (AU) from the **Sun**, **2007 OR10** is a small, icy world with a diameter of approximately 710 kilometers (440 miles). Its surface is thought to be composed primarily of water ice, with possible additional components such as methane and ammonia ices. The object's low albedo (reflectivity) suggests that its surface may be covered in a layer of dark material, possibly the result of solar radiation processing. ## History/Background The discovery of **2007 OR10** was announced in 2007 by a team of astronomers led by Michael Brown of the **California Institute of Technology (Caltech)**. The object was detected using the **Palomar Observatory** in California, and its orbit was determined using a combination of observations from the **Hubble Space Telescope** and ground-based telescopes. Since its discovery, **2007 OR10** has been the subject of numerous studies, including spectroscopic and photometric observations. ## Key Information * **Orbital Characteristics:** **2007 OR10** has a highly eccentric orbit, which takes it from 30 to 70 AU from the **Sun** over a period of approximately 550 years. * **Composition:** The object's surface is thought to be composed primarily of water ice, with possible additional components such as methane and ammonia ices. * **Size:** **2007 OR10** has a diameter of approximately 710 kilometers (440 miles), making it one of the largest KBOs known to date. * **Albedo:** The object's low albedo (reflectivity) suggests that its surface may be covered in a layer of dark material, possibly the result of solar radiation processing. ## Significance The study of **2007 OR10** and other KBOs provides valuable insights into the formation and evolution of the **Kuiper Belt**. These objects are thought to be remnants from the early days of planetary formation, and their study can help scientists understand the processes that shaped the **Solar System**. Additionally, the discovery of **2007 OR10** and other large KBOs has implications for the search for **Planet 9**, a hypothetical large planet thought to be lurking in the outer reaches of the **Solar System**. INFOBOX: - **Name:** 2007 OR10 - **Type:** Kuiper Belt Object (KBO) - **Date:** Discovered in 2007 - **Location:** Outer reaches of the **Solar System** (approximately 68 AU from the **Sun**) - **Known For:** One of the largest and most massive KBOs known to date TAGS: **Kuiper Belt Object (KBO)**, **Solar System**, **Kuiper Belt**, **Astronomy**, **Planetary Science**, **Space Exploration**, **Comets**, **Asteroids**, **Dwarf Planets**, **Planet 9**
Space & AstronomyObjects Encyclopedia Entry 1779084558
** The **Kuiper Belt** is a region of our solar system consisting of a vast, icy disk of objects beyond the orbit of Neptune, containing many small, icy bodies and other celestial objects. ## Overview The **Kuiper Belt** is a fascinating region of our solar system that has garnered significant attention from astronomers and space enthusiasts alike. Located beyond the orbit of Neptune, this vast, icy disk is home to numerous small, icy bodies, including dwarf planets, asteroids, and comets. The **Kuiper Belt** is named after Dutch-American astronomer Gerard Kuiper, who first proposed its existence in the 1950s. This region is a remnant of the solar system's formation, providing valuable insights into the early history of our cosmic neighborhood. The **Kuiper Belt** is estimated to contain millions of objects, ranging in size from a few kilometers to hundreds of kilometers in diameter. These objects are thought to be the remains of the solar system's formation, left over from the period when the planets were still in the process of accreting and colliding with each other. The **Kuiper Belt** is also home to several dwarf planets, including Pluto, Eris, and Makemake, which are of great interest to astronomers due to their unique properties and potential for hosting subsurface oceans. ## History/Background The concept of the **Kuiper Belt** was first proposed by Gerard Kuiper in the 1950s, who suggested that a disk of icy bodies existed beyond the orbit of Neptune. However, it wasn't until the 1990s that the first objects were discovered in this region. One of the most significant discoveries was the detection of Pluto's moon, Charon, which led to a reclassification of Pluto as a dwarf planet. Since then, numerous other objects have been discovered in the **Kuiper Belt**, including Eris, Makemake, and Haumea. ## Key Information * **Composition:** The **Kuiper Belt** is composed primarily of icy bodies, including water, ammonia, and methane ices. * **Size:** The **Kuiper Belt** is estimated to be approximately 20 astronomical units (AU) wide, with a total mass of around 0.01 Earth masses. * **Objects:** The **Kuiper Belt** contains millions of objects, including dwarf planets, asteroids, and comets. * **Dwarf Planets:** The **Kuiper Belt** is home to several dwarf planets, including Pluto, Eris, and Makemake. * **Subsurface Oceans:** Some objects in the **Kuiper Belt** are thought to host subsurface oceans, which could potentially support life. ## Significance The **Kuiper Belt** is significant for several reasons: * **Understanding Solar System Formation:** The **Kuiper Belt** provides valuable insights into the early history of our solar system, offering clues about the formation and evolution of the planets. * **Potential for Life:** The presence of subsurface oceans in some objects in the **Kuiper Belt** raises the possibility of life existing in this region. * **Astronomical Research:** The **Kuiper Belt** is an active area of research, with ongoing and future missions aimed at exploring this region and its objects. INFOBOX: - **Name:** Kuiper Belt - **Type:** Region of the solar system - **Date:** Proposed in the 1950s, first objects discovered in the 1990s - **Location:** Beyond the orbit of Neptune - **Known For:** Hosting millions of small, icy bodies and dwarf planets TAGS: **Kuiper Belt**, **Solar System**, **Dwarf Planets**, **Astronomy**, **Space Exploration**, **Planetary Science**, **Comets**, **Asteroids**
Space & AstronomyObjects Encyclopedia Entry 1780407845
** The **Kuiper Belt Object (KBO) 2007 OR10** is a large, icy body located in the outer reaches of the **Solar System**, orbiting the **Sun** at a distance of approximately 45 astronomical units (AU). ## Overview The **Kuiper Belt** is a region of the **Solar System** that contains a large number of small, icy bodies, including dwarf planets, asteroids, and comets. These objects are remnants from the formation of the **Solar System**, and they provide valuable insights into the early history of our cosmic neighborhood. **Kuiper Belt Objects (KBOs)**, like **2007 OR10**, are some of the most fascinating and enigmatic objects in the **Kuiper Belt**. They offer a unique window into the formation and evolution of the **Solar System**, and their study has led to significant advances in our understanding of the **Outer Solar System**. **2007 OR10** was discovered on July 17, 2007, by a team of astronomers using the **Palomar Observatory** in California. The object was initially classified as a **Kuiper Belt Object**, but subsequent observations revealed that it had a highly eccentric orbit, which set it apart from other KBOs. **2007 OR10** has a diameter of approximately 600 kilometers (373 miles), making it one of the largest known KBOs. ## History/Background The discovery of **2007 OR10** was a significant milestone in the study of the **Kuiper Belt**. Prior to its discovery, the **Kuiper Belt** was thought to be a relatively empty region of the **Solar System**, with few objects larger than 100 kilometers (62 miles) in diameter. However, the discovery of **2007 OR10** and other large KBOs has challenged this view, suggesting that the **Kuiper Belt** may be more populous than previously thought. ## Key Information **2007 OR10** has a highly eccentric orbit, which takes it from 28 to 45 AU from the **Sun**. This orbit is unique among KBOs, and it has led to speculation that **2007 OR10** may have originated from a different region of the **Solar System**, such as the **Scattered Disc**. **2007 OR10** has a surface composition that is thought to be primarily composed of water ice, with possible tholins (complex organic molecules) present on its surface. ## Significance The study of **2007 OR10** and other KBOs has significant implications for our understanding of the **Solar System**. These objects provide a window into the early history of the **Solar System**, and their study has led to significant advances in our understanding of the **Outer Solar System**. **2007 OR10** is particularly significant because of its highly eccentric orbit, which suggests that it may have originated from a different region of the **Solar System**. Further study of **2007 OR10** and other KBOs will continue to shed light on the formation and evolution of the **Solar System**. INFOBOX: - Name: 2007 OR10 - Type: Kuiper Belt Object - Date: July 17, 2007 - Location: Outer Solar System - Known For: Highly eccentric orbit and large size TAGS: **Kuiper Belt**, **Kuiper Belt Object**, **Solar System**, **Outer Solar System**, **Astronomy**, **Astrophysics**, **Space Exploration**, **Comets**, **Asteroids**, **Dwarf Planets**
Space & AstronomyObjects Encyclopedia Entry 1779391146
** The **Kuiper Belt Object (KBO)** 2007 OR10 is a small, icy celestial body located in the outer reaches of the **Solar System**. ## Overview The **Kuiper Belt** is a region of the **Solar System** that contains a large number of small, icy bodies, including dwarf planets, asteroids, and comets. These objects are remnants from the formation of the **Solar System** and are thought to be the building blocks of the planets. One of the most interesting objects in the **Kuiper Belt** is 2007 OR10, a small, icy KBO that was discovered in 2007. 2007 OR10 is a **trans-Neptunian object (TNO)**, meaning it orbits the **Sun** at a distance greater than that of **Neptune**, the eighth planet in our **Solar System**. It is estimated to be around 310 kilometers (193 miles) in diameter, making it one of the largest KBOs discovered to date. The object's surface is thought to be composed primarily of water ice, with possible mixtures of darker organic material. ## History/Background The discovery of 2007 OR10 was announced in 2007 by a team of astronomers using the **Palomar Observatory** in California. The object was initially classified as a **Plutino**, a type of TNO that orbits the **Sun** in a 3:2 resonance with **Neptune**. However, further observations revealed that 2007 OR10's orbit is more complex, with a highly eccentric shape that takes it as close as 29 astronomical units (AU) from the **Sun** and as far as 45 AU from the **Sun**. ## Key Information 2007 OR10 is a fascinating object for astronomers due to its unique composition and orbit. Its surface is thought to be one of the darkest in the **Solar System**, with an albedo (reflectivity) of around 0.06, compared to the Moon's albedo of 0.12. This suggests that the object's surface is heavily contaminated with organic material, which could be a sign of complex chemistry and potentially even life. In 2017, astronomers used the **Hubble Space Telescope** to study the object's atmosphere, which is thought to be composed primarily of methane and other simple organic compounds. The study revealed that 2007 OR10's atmosphere is highly dynamic, with methane ice clouds forming and dissipating over the course of a few hours. ## Significance The study of 2007 OR10 and other KBOs has significant implications for our understanding of the **Solar System** and the formation of planets. The objects in the **Kuiper Belt** are thought to be the remnants of a massive disk of material that surrounded the **Sun** during the early days of the **Solar System**. By studying these objects, astronomers can gain insights into the processes that shaped the **Solar System** and the conditions that led to the formation of planets. INFOBOX: - **Name:** 2007 OR10 - **Type:** **Kuiper Belt Object (KBO)** - **Date:** Discovered in 2007 - **Location:** **Kuiper Belt**, outer reaches of the **Solar System** - **Known For:** Dark surface and complex orbit TAGS: **Kuiper Belt**, **Trans-Neptunian Object (TNO)**, **Plutino**, **Solar System**, **Astronomy**, **Astrophysics**, **Space Exploration**, **KBOs**, **Dwarf Planets**
Space & AstronomyObjects Encyclopedia Entry 1779997506
** The **Kuiper Belt Object (KBO) 2007 OR10** is a small, icy world located in the outer reaches of the **Solar System**, offering insights into the formation and evolution of the **Kuiper Belt**. ## Overview Located in the outer reaches of the **Solar System**, the **Kuiper Belt** is a region of icy bodies, including dwarf planets, asteroids, and comets. The **Kuiper Belt Object (KBO) 2007 OR10** is one such small, icy world that has garnered significant attention from astronomers and planetary scientists. Discovered in 2007 by the **Palomar Observatory**, this KBO is a fascinating example of the diverse and complex nature of our **Solar System**. The **Kuiper Belt** is a vast, doughnut-shaped region that extends from the orbit of **Neptune** to a distance of about 55 astronomical units (AU) from the **Sun**. This region is thought to be a reservoir of small, icy bodies that were left over from the formation of the **Solar System**. The **Kuiper Belt** is also believed to be the source of short-period comets, which are comets that take less than 200 years to orbit the **Sun**. ## History/Background The discovery of **2007 OR10** was announced on August 4, 2007, by astronomers using the **Palomar Observatory's 1.2-meter Oschin Schmidt Telescope**. The object was initially classified as a **Kuiper Belt Object (KBO)** due to its highly eccentric orbit and small size. Further observations and studies have revealed that **2007 OR10** is a small, icy world with a diameter of approximately 710 kilometers (440 miles). This makes it one of the largest KBOs discovered to date. ## Key Information **2007 OR10** is a small, icy world with a highly eccentric orbit that takes it from a distance of about 38 AU from the **Sun** to a perihelion of about 26 AU. The object's surface is thought to be composed primarily of water ice, with possible presence of darker organic material. The surface temperature of **2007 OR10** is estimated to be around -233°C (-391°F), making it one of the coldest objects in the **Solar System**. The discovery of **2007 OR10** has provided valuable insights into the formation and evolution of the **Kuiper Belt**. The object's highly eccentric orbit suggests that it may have been perturbed by the gravitational influence of **Neptune**, which is thought to have played a significant role in shaping the **Kuiper Belt**. Further studies of **2007 OR10** and other KBOs will help scientists better understand the origins of our **Solar System** and the formation of the **Kuiper Belt**. ## Significance The discovery of **2007 OR10** has significant implications for our understanding of the **Kuiper Belt** and the formation of our **Solar System**. The object's highly eccentric orbit and small size make it an important target for further study, as it provides a unique window into the early history of our **Solar System**. The discovery of **2007 OR10** also highlights the importance of continued exploration and study of the **Kuiper Belt**, which is thought to be a reservoir of small, icy bodies that may hold the key to understanding the origins of our **Solar System**. INFOBOX: - **Name:** 2007 OR10 - **Type:** Kuiper Belt Object (KBO) - **Date:** Discovered on August 4, 2007 - **Location:** Outer reaches of the **Solar System**, in the **Kuiper Belt** - **Known For:** Highly eccentric orbit and small size, providing insights into the formation and evolution of the **Kuiper Belt** TAGS: **Kuiper Belt**, **Kuiper Belt Object (KBO)**, **Solar System**, **Astronomy**, **Astrophysics**, **Planetary Science**, **Space Exploration**, **Comets**, **Asteroids**, **Dwarf Planets**
Space & AstronomyObjects Encyclopedia Entry 1779936501
** The **Kuiper Belt Object (KBO)** 2007 OR10 is a small, icy celestial body located in the outer reaches of the **Solar System**. ## Overview The **Kuiper Belt** is a region of the **Solar System** that contains a large number of small, icy bodies, including dwarf planets, asteroids, and comets. These objects are remnants from the formation of the **Solar System** and are thought to be the building blocks of the planets. One such object is 2007 OR10, a **Kuiper Belt Object (KBO)** that was discovered in 2007 by a team of astronomers using the **Palomar Observatory** in California. 2007 OR10 is a small, icy world with a diameter of approximately 560 kilometers (348 miles). It is a **trans-Neptunian object (TNO)**, meaning that its orbit takes it beyond the **Orbit of Neptune**, the eighth planet in our **Solar System**. The object's highly eccentric orbit takes it as close as 29 astronomical units (AU) from the **Sun** and as far as 47 AU from the **Sun**. ## History/Background The discovery of 2007 OR10 was announced in 2007 by a team of astronomers led by Mike Brown, a renowned expert on **Kuiper Belt Objects**. The object was discovered using the **Palomar Observatory's 1.2-meter telescope**, which is equipped with a sensitive camera that can detect faint objects in the **Kuiper Belt**. The discovery of 2007 OR10 was significant because it provided new insights into the composition and structure of the **Kuiper Belt**. ## Key Information 2007 OR10 is a small, icy world with a highly eccentric orbit. Its surface is thought to be composed primarily of water ice, with possible amounts of darker organic material. The object's size and shape are not well constrained, but it is estimated to be around 560 kilometers (348 miles) in diameter. 2007 OR10 is a **Kuiper Belt Object (KBO)**, which means that it is a small, icy body that orbits the **Sun** beyond the **Orbit of Neptune**. ## Significance The discovery of 2007 OR10 has provided new insights into the composition and structure of the **Kuiper Belt**. The object's highly eccentric orbit takes it through a region of the **Solar System** that is thought to be rich in small, icy bodies. The study of 2007 OR10 and other **Kuiper Belt Objects** has helped scientists to better understand the formation and evolution of the **Solar System**. INFOBOX: - **Name:** 2007 OR10 - **Type:** **Kuiper Belt Object (KBO)** - **Date:** Discovered in 2007 - **Location:** **Kuiper Belt** - **Known For:** Highly eccentric orbit and icy composition TAGS: **Kuiper Belt Object (KBO)**, **Solar System**, **Trans-Neptunian Object (TNO)**, **Palomar Observatory**, **Astronomy**, **Space Exploration**, **Comets**, **Asteroids**, **Dwarf Planets**